Submission #639317

#	Time	Username	Problem	Language	Result	Execution time	Memory
639317		LucaLucaM	Maxcomp (info1cup18_maxcomp)	C++17	60 / 100	1093 ms	12116 KiB

maxcomp

#include <bits/stdc++.h>
 
using namespace std;
 
struct cell
{
    int x, i, j;
};
 
bool operator < (const cell a, const cell b)
{
    return a.x <= b.x;
}
 
cell a[1000001];
 
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    
    int n, m;
    cin >> n >> m;
 
    int N = 0;
 
    for (int i=0; i<n; i++)
    {
        for (int j=0; j<m; j++)
        {
            int x;
            cin >> x;
 
            a[++N].x = x;
            a[N].i = i, a[N].j = j;
        }
    }
 
    sort (a+1, a+N+1);
 
    int M = N/2 + 1;
    int ans = -1;
 
    for (int i=1; i<M; i++)
    {
        for (int j=N; j>=M; j--)
        {
            int d = abs(a[i].i - a[j].i) + abs(a[i].j - a[j].j) + 1;
            int s = a[j].x - a[i].x;
            
            if (s <= ans)
                break;
            ans = max(ans, s - d);
        }
    }
 
    cout << ans;
 
    return 0;
}

• Subtask 1: 15 / 15
• Subtask 2: 15 / 15
• Subtask 3: 30 / 30
• Subtask 4: 0 / 40